Injection_Guideline_HPP

TechnicalInfoForInternalUseOnlyInjectionGuidelineHPPJuly-08InjectionNozzleGuidelineForHydrocarbonProcessing&PetrochemicalProductsGeneralStatementDuetothecorrosionpotentialhazardsassociatedwithinjectingconcentratedchemicalproductsintoacustomer’sprocessstream,aninjectionnozzleorquillwillberequiredinmosthydrocarbonandpet-rochemicalprocesschemicalapplications.Thede-faultnozzlemetallurgyisHastelloyC.Specificchemicalsthathavebeenidentifiedasacorrosionhazardpotentialhavebeenlistedattheendofthisdocument.Iftheproposedchemicalisnotonthelist,adiscussionwithProductApplica-tionswillbeneededtodetermineifyourspecificapplicationwillrequireaninjectionnozzle/quill.OrderingInjectionNozzles/QuillsWecurrentlyDONOTofferHastelloyCnozzlesaspartofourStandardEquipmentprogram,thereforeunitsneedtobepurchasedthroughathirdpartyusingtheEquipmentRequestworkflowprocess.Answerstothefollowingquestionsareneededtospecifythepropernozzle/quillforyourapplication:•Processstreamtemperature•Processstreampressure•Insertionlengthneededtoinjectintothecenteroftheprocesspipe•Flowratethroughthenozzle/quill•Typeofnozzletipneeded•Isaretractablenozzleneeded?InNorthAmerica,anumberofunitshavebeenpur-chasedthroughthesesuppliers:MetalSamples(www.alspi.com)or281-471-2777ACMC(www.acmc-corrosion.com)or800-227-6183InspectionsPipingdownstreamofaninjectionpointshouldbeinspectedatleastannuallyviaUTorotheracceptedmethod.Injectionnozzlesshouldbeinspectedatleasteverytwoyears–eitherphysicalinspectionforretractableorx-rayforfixednozzles.EmulsionBreakersSeveralprimaryandreverseemulsionbreakerproductshavealowpH.Theseshouldbefedusinganozzle/quill.OverheadNeutralizersNeutralizersshouldalwaysbefedusinganinjectionnozzle/quillwithasteamcarriertopromotemix-ing,reducecorrosion,andatomizetheproduct.FilmingCorrosionInhibitorsAretractableconenozzleshouldbeusedtoinjectfilmer,employingadry(<200ppmfreewater)car-rierstreamata30:1minimumratio.NaphthenicAcidCorrosionInhibitorsAretractableconenozzleshouldbeusedtoinjectfilmer,employingasuitablecarriers